Дано: S5=18 м t=4 c t5=5 c t4=4 c а-? S-?
S5=a*(t5^2-t4^2)/2=a*(5^2-4^2)=4,5*a a=S5/4,5=18/4,5=4 м/с2
S=a*t^2/2=4*4^2/2=32 м
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Дано: S5=18 м t=4 c t5=5 c t4=4 c а-? S-?
S5=a*(t5^2-t4^2)/2=a*(5^2-4^2)=4,5*a a=S5/4,5=18/4,5=4 м/с2
S=a*t^2/2=4*4^2/2=32 м